<template>
  <div>
    <h1>请选择你喜欢的专栏：</h1>
    <span v-for="(item, index) in arr" :key="index" > <input v-model="li" type="checkbox" :value="item"> {{item}} </span>
    <ul>
      <li v-for="(item, index) in li" :key="index"> {{item}} </li>
    </ul>
  </div>
</template>

<script>
export default {
  name: 'HomeworkApp',

  data() {
    return {
      arr:["科幻", "喜剧", "动漫", "冒险", "科技", "军事", "娱乐", "奇闻"],
      li:[]
    };
  },
  methods: {

  }
};
</script>

<style lang="scss" scoped>

</style>